987 resultados para CA IX


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Resumen: Descripción: escena donde una mujer arrodillada delante de su marido implora perdón

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Resumen: Descripción: en el interior de una habitáculo, una doncella realiza un retrato a un señor que posa sentado

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Microfilm. Valencia: BV, ca. 1990

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Microfilm. Valencia: BV, ca. 1990

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El título del tomo II es: Ioannis Leonis Africani de Africae descriptione, pars altera.

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Mode of access: Internet.

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Title vignette (printer's device); head pieces; initials.

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This study evaluated bone response to a Ca- and P- enriched titanium (Ti) surface treated by a multiphase anodic spark deposition coating (BSP-AK). Two mongrel dogs received bilateral implantation of 3 Ti cylinders (4.1 x 12 mm) in the humerus, being either BSP-AK treated or untreated (machined - control). At 8 weeks postimplantation, bone fragments containing the implants were harvested and processed for histologic and histomorphometric analyses. Bone formation was observed in cortical area and towards the medullary canal associated to approximately 1/3 of implant extension. In most cases, in the medullary area, collagen fiber bundles were detected adjacent and oriented parallel to Ti surfaces. Such connective tissue formation exhibited focal areas of mineralized matrix lined by active osteoblasts. The mean percentages of bone-to-implant contact were 2.3 (0.0-7.2 range) for BSP-AK and 0.4 (0.0-1.3 range) for control. Although the Mann-Whitney test did not detect statistically significant differences between groups, these results indicate a trend of BSP-AK treated surfaces to support contact osteogenesis in an experimental model that produces low bone-to-implant contact values.